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Views Read View source View history. Poll battery state bq27x The polling happens along with the polling of other parameters such as Current qb27200, SOC etc and the period for this polling loop is customizable.

The driver does not have a mechanism to save and restore Ra values and Qmax as suggested in the Quick Start Guide of bqxx devices. Article This patch series contains a few updates for the bq27x00 driver: Two more patches were added to the series: However, more features will be added in the future.

This series is also available at git: This means it will reload default values every time the battery is inserted.

Retrieved from ” http: File IO is not supported in the kernel, so this will have to be done from the user-land. Add type property bq27x Please note as of Wednesday, August 15th, this wiki has been set to read only. Although bqtool is created for Android it can be easily ported for any Linux system.

Look for an array like bq2720. Add bq support bq27x If you are building bqtool using Android build system as above here is a caveat. The list of devices currently supported can be found in the driver.

These were ignored anyway when comparing two battery states and since their register is not shared between different properties we gain nothing by caching them. Thanks to all who have helped testing and contributed feedback and fixes. Using two transfers was kind of racy and caused wrong results to lunux returned sometimes. Navigation menu Personal tools Log in Request account.

The other patch fixes the i2c read function to use a single i2c transfer to read a register instead of two transfers. Give more specific reports on battery status bq27x From Texas Instruments Wiki. Improve temperature property precession bq27x Cache battery registers bq27x The following patch demonstrates how bqxx support was added on Beaglebone Black assuming it is connected to I2C1 bus.

Re: [PATCH] rx51: add bq27200 i2c board info

The registers to initialized in the DM may be specified in the code in an array like this:. Prepare code for addition of bq platform driver bq27x New Properties, fixes, bq support Date: If you are a TI Employee and require Liinux ability please contact x from the company directory.

On the other hand it allows the property to be queried at a higher rate then the caching time.